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Commit | Line | Data |
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416fd2a8 | 1 | /* |
2 | * Copyright (c) 2004 The OpenBSD project | |
3 | * | |
4 | * Permission to use, copy, modify, and distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #include "includes.h" | |
2e437378 | 18 | |
416fd2a8 | 19 | #include <openssl/evp.h> |
20 | ||
2e437378 | 21 | #include <string.h> |
416fd2a8 | 22 | |
23 | #if !defined(EVP_CTRL_SET_ACSS_MODE) && (OPENSSL_VERSION_NUMBER >= 0x00907000L) | |
24 | ||
25 | #include "acss.h" | |
26 | ||
27 | #define data(ctx) ((EVP_ACSS_KEY *)(ctx)->cipher_data) | |
28 | ||
29 | typedef struct { | |
30 | ACSS_KEY ks; | |
31 | } EVP_ACSS_KEY; | |
32 | ||
33 | #define EVP_CTRL_SET_ACSS_MODE 0xff06 | |
34 | #define EVP_CTRL_SET_ACSS_SUBKEY 0xff07 | |
35 | ||
36 | static int | |
34fee935 | 37 | acss_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
416fd2a8 | 38 | const unsigned char *iv, int enc) |
39 | { | |
40 | acss_setkey(&data(ctx)->ks,key,enc,ACSS_DATA); | |
41 | return 1; | |
42 | } | |
43 | ||
44 | static int | |
34fee935 | 45 | acss_ciph(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, |
416fd2a8 | 46 | unsigned int inl) |
47 | { | |
48 | acss(&data(ctx)->ks,inl,in,out); | |
49 | return 1; | |
50 | } | |
51 | ||
52 | static int | |
53 | acss_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) | |
54 | { | |
55 | switch(type) { | |
56 | case EVP_CTRL_SET_ACSS_MODE: | |
57 | data(ctx)->ks.mode = arg; | |
58 | return 1; | |
59 | case EVP_CTRL_SET_ACSS_SUBKEY: | |
60 | acss_setsubkey(&data(ctx)->ks,(unsigned char *)ptr); | |
61 | return 1; | |
62 | default: | |
63 | return -1; | |
64 | } | |
65 | } | |
66 | ||
67 | const EVP_CIPHER * | |
68 | evp_acss(void) | |
69 | { | |
70 | static EVP_CIPHER acss_cipher; | |
71 | ||
72 | memset(&acss_cipher, 0, sizeof(EVP_CIPHER)); | |
73 | ||
74 | acss_cipher.nid = NID_undef; | |
75 | acss_cipher.block_size = 1; | |
76 | acss_cipher.key_len = 5; | |
77 | acss_cipher.init = acss_init_key; | |
78 | acss_cipher.do_cipher = acss_ciph; | |
79 | acss_cipher.ctx_size = sizeof(EVP_ACSS_KEY); | |
80 | acss_cipher.ctrl = acss_ctrl; | |
81 | ||
82 | return (&acss_cipher); | |
83 | } | |
84 | #endif | |
85 |